A lawn full of retired spacecraft on display at one of NASA's first research labs.

Politicians, bureaucrats, and military officers gathered in this field near the Capitol to settle their disputes with blood.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

Once America's tallest structure, now a Baltimore landmark.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.

A Civil War Museum with some notable medical antiques.

Built by the patriotic residents of Boonsboro in a single day.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

This abandoned sea fort has become an accidental bird sanctuary.

A model home in the Medical Examiner's Office in which grisly death scenes are staged to train forensic investigators.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

Ship skeletons haunt Baltimore's waterways.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.